01 2011 档案

Update 两张表之间的数据
摘要：1.update t1set t1.c2 = t2.c2from t2 where t1.c1 = t2.c12.Update t1set t1.c2 = t2.c2from t1 inner join t2on t1.c1 = t2.c1 阅读全文
posted @ 2011-01-05 10:27 只想做好 阅读(564) 评论(0) 推荐(0)